Downy Mildew Forecasts for 2000

Each Downy Mildew Forecast includes descriptions of factors pertinent to the disease situation, a general outlook assessing the risk of disease development, and a map showing the flow away from an active area or region (i.e., a cluster of closely-grouped counties) with a single, centrally-located trajectory.

The maps show the motion of a floating particle that is released into the atmosphere on the date and time given in the second line of the map headings. The release time is in Universal Time on a 24-hour clock, and will be set to correspond to about 10AM local time. A black star (*) denotes the starting point for the trajectory (exact latitude and longitude are written along the left-hand side of the map). On the right-hand side is some information about the weather data used as input to the trajectory model, and it can be ignored for most purposes.

February 2000

March 2000	April 2000	May 2000
June 2000	July 2000	August 2000
September 2000	October 2000	November 2000

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Page last updated on October 4, 2000.